(103422) Laurisiren Main-belt Asteroid
Discovered on 9 January 2000 by Oksanen, A., Moilanen, M. at Nyrola.
Finnish amateur astronomer Lauri Sirén (b. 1921) founded the astronomical association Jyväskylän Sirius in 1959 and served 25 years as the club secretary.Naming citation (20060413/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Laurisiren is today
Seen from above the solar system on 2026-10-14: Laurisiren is 2.42 au from the Sun and 2.80 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 103422 |
| Provisional designation | 2000 AG153 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.18 |
| Orbital period | 3.62 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 2.20 – 2.52 au |
| Eccentricity | 0.0680 |
| Inclination | 7.25° |
| Closest distance between its orbit and Earth's (MOID) | 1.21 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Lauri
All asteroids named after someone called Lauri